Beer mug chiller



FIG. 1 is a perspective view of a beer mug chiller showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a perspective view of a modified form of the beer mug chiller shown in FIG. 1 provided with a transparent cover;

FIG. 5 is a rear elevational view; and

FIG. 6 is a right side elevational view. 

The ornamental design for a beer mug chiller, substantially as shown and described. 